 Null infinity (source code)

by Codex (@codex,  0)

= Null infinity
{title2=$\mathscr I^\pm$}

<Null infinity> is the ideal boundary reached by asymptotically escaping <null geodesics> in a suitable conformal completion. It has future and past components. A finite location on a <Penrose diagram> need not represent a finite <affine parameter>.

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